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RESEARCH PAPERS

Fluid Particle Motion and Lagrangian Velocities for Pulsatile Flow Through a Femoral Artery Branch Model

[+] Author and Article Information
M. R. Back

University of California, San Diego, Calif. 92037

Y. I. Cho, L. H. Back

Jet Propulsion Laboratory, California Institute of Technology, Pasadena, Calif. 91109

D. W. Crawford

Department of Medicine, Cardiology Division, University of Southern California, Los Angeles, Calif. 90033

J Biomech Eng 109(1), 94-101 (Feb 01, 1987) (8 pages) doi:10.1115/1.3138649 History: Received October 07, 1985; Revised August 15, 1986; Online June 12, 2009

Abstract

A flow visualization study using selective dye injection and frame by frame analysis of a movie provided qualitative and quantitative data on the motion of marked fluid particles in a 60 degree artery branch model for simulation of physiological femoral artery flow. Physical flow features observed included jetting of the branch flow into the main lumen during the brief reverse flow period, flow separation along the main lumen wall during the near zero flow phase of diastole when the core flow was in the downstream direction, and inference of flow separation conditions along the wall opposite the branch later in systole at higher branch flow ratios. There were many similarities between dye particle motions in pulsatile flow and the comparative steady flow observations.

Copyright © 1987 by ASME
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